Definition of inoculation noun from the Oxford Advanced Learner's Dictionary

 

inoculation

 noun
noun
BrE BrE//ɪˌnɒkjuˈleɪʃn//
 
; NAmE NAmE//ɪˌnɑːkjuˈleɪʃn//
 
[countable, uncountable]
 
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an act of protecting a person or an animal from catching a particular disease by injecting them with a mild form of the disease Has the puppy had all its inoculations yet? The disease can now be prevented by inoculation. compare immunization, vaccination